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2001 Fiscal Year Final Research Report Summary

Development of a novel enzymatic synthesis method for trehalose derivatives and its application

Research Project

Project/Area Number 12839003
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 生物資源の変換と展開
Research InstitutionTokyo University of Agriculture and Technology

Principal Investigator

SODE Koji  Tokyo University of Agriculture and Technology, Faculty of Technology. Professor, 工学部, 教授 (10187883)

Co-Investigator(Kenkyū-buntansha) YOSHIDA Hiromi  Marine Biotechnology Institute, Kamaishi Laboratories, 釜石研究所, (研究職)PD研究員 (10313305)
Project Period (FY) 2000 – 2001
Keywordstrehalose / trehalase / enzyme inhibitor / glucose-3-dehydrogenase / insecticide / Halomonas sp.
Research Abstract

We aimed at the development of novel enzymatic synthesis method of the trehalose derivatives and those applications to insecticides or anti-fungal chemicals. Trehalose is a disaccharide and commonly found in fungi, algae and in several invertebrate phyla but not in flowering plants and vertebrates. It presents in all insects and in many insects it is present in high concetration s and constitutes the major hemolymph sugar. Trehalose secifically hydrolyzed trehalose and is the rate-limiting enzyme in the process of glycogen synthesis from hemolymph trehalose in developing ovaries of the silkworm. Therefore the specific inhibitor for trehalases is a candidate of novel insecticides.
We purified glucose-3-dehydrogenase from Halomonas sp. A -15 and found its activity to produce trehalose derivatives. One of those derivatives, 3,3'-diketotrehalose showed an inhibitory activity to trehalose, and therefore we investigated its activity as insecticide or anti-fungal chemicals. It did not show anti-fungal activity but it can be an insecticide. We also investigated its efficient production process, and found the enzymatic production is more efficient than microbial production. By using potassium ferricyanide as electron acceptor and the highly purified glucose-3-dehydrogenase, 80% productivity was attained. Hence we established efficient method to produce 3,3'-diketotrehalose, it can contribute as a novel effective insecticide which is not harmful to animals.

  • Research Products

    (4 results)

All Other

All Publications (4 results)

  • [Publications] Koji Sode, Eri Akaike, Hiroto Sugiura, Wakako Tsugawa: "Enzymatic synthesis of novel trehalose derivative, 3,3'-diketotrehalose, and its potential application as the trehalose enzyme inhibitor"FEBS Lett. 489. 42-45 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Katsuhiro Kojima, Wakako Tsugawa, Koji Soda: "Cloning and expression of glucose 3-dehydrogenase from Halomonas sp. α-15 in Escherichia coli"Biochem. Biphys. Res. Commun.. 282. 21-27 (2001)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Koii Sode, Eri Akaike, Hii-oto Sugiura, Wakako Tsugawa: "Enzymatic synthesis of novel trehalose derivative, 3,3'-diketotrehalose, and its potential application as the trehalose enzyme inhibitor"FEBS Lett.. 489. 42-45 (2001)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Katsuhiro Kojima, Wakako Tsugawa, Koji gode: "Cloning and expression of glucose 3-dehydrogenase from Holomonas sp. Α-15 in Escherichia coli"Biochem. Biphys. Res. Commun.. 282. 21-27 (2001)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2003-09-17  

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